Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7549528 | Block turning arrangement | Erik Spangenberg Hansen | 2009-06-23 |
| 7518079 | Method of sorting paving stones | Erik Spangenberg Hansen | 2009-04-14 |
| 6325921 | Method for catalytic removal of metal compounds from heavy oils | — | 2001-12-04 |